Group 1 - Coal stocks saw significant gains, with Yanzhou Coal Mining Company (01171) up 2.23% to HKD 10.09, China Shenhua Energy (01088) up 1.98% to HKD 39.22, China Coal Energy (01898) up 1.56% to HKD 10.4, and Yidao Commodity (01733) up 1.1% to HKD 0.92 [1] - On December 18, the main contracts for coking coal and coke rose over 6% during trading [1] - The National Development and Reform Commission and five other departments issued the "Benchmark Levels for Key Areas of Clean and Efficient Utilization of Coal (2025 Edition)", tightening coal consumption standards for coal-fired power generation compared to the 2022 version, which is expected to increase demand for high-quality coal [1] Group 2 - Shanxi Securities released a report highlighting the recovery of profitability in the coal sector, supported by seasonal demand due to cold weather [1] - There are expectations for improved performance in Q4, and if prices remain high, there is significant potential for earnings recovery in 2026 [1] - The decline in stock prices has reinforced dividend value, suggesting opportunities for low-cost acquisitions [1]